Browsing MIT Sea Grant Technical Reports by Title
Now showing items 19-36 of 36
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Interim Report on S3D/LEAPS Integration
(Massachusetts Institute of Technology. Sea Grant College Program, 2014-09)The Naval Surface Warfare Center Carderock Division has created the Leading Edge Architecture for Prototyping Systems, or LEAPS, as the data repository for ship design, and a significant number of the early-stage ship ... -
Lateral-Line Inspired MEMS-Array Pressure Sensing for Passive Underwater Navigation
(Massachusetts Institute of Technology. Sea Grant College Program, 2007-07)This paper presents work toward the development of a novel MEMS sensing technology for AUVs. The proposed lateral line-inspired sensor system is a high-density array of pressure sensors for measuring hydrodynamic disturbances. ... -
Linearized Hovering Control With One or More Azimuthing Thrusters
(Massachusetts Institute of Technology. Sea Grant College Program, 2007)We propose a simple method of control system design for marine vehicles with one or more azimuthing propulsors, and specifically for the case where the speed of the actuator is on the same time scale as the plant dynamic ... -
Marine Introduced Species Q13: Are threats from marine invasive species increasing in Massachusetts and Cape Cod Bays?
(Massachusetts Institute of Technology. Sea Grant College Program, 2010)Non-native species have emerged as one of the leading environmental threats to our coastal habitats. These species have been recognized globally as a major threat to biological diversity as well as to agriculture and other ... -
Marine Invaders in the Northeast: Rapid Assessment Survey of Non-native and Native Marine Species of Floating Dock Communities, August 2003
(Massachusetts Institute of Technology. Sea Grant College Program, 2005)In his seminal book on The Ecology of Invasions by Animals and Plants, Elton (1958) laid the foundation for the science of biological invasions. He identified the importance of human-mediated vectors as means of transporting ... -
MOOS-IvP Autonomy Tools Users Manual - Release 4.2.1
(Massachusetts Institute of Technology. Sea Grant College Program, 2011-07)This document describes 19 MOOS-IvP autonomy tools. uHelmScope provides a run-time scoping window into the state of an active IvP Helm executing its mission. pMarineViewer is a geo-based GUI tool for rendering marine ... -
Optimization of Lithium Iron Phosphate Battery Charging and Performance
(Massachusetts Institute of Technology. Sea Grant College Program, 2014-09)The goal of this project is to efficiently and safely charge a 5kWh battery pack in 15 minutes. Since the project is still in progress, this report describes experiments on a 56Wh battery. Experiments were performed to ... -
An Overview of MOOS-IvP and a Users Guide to the IvP Helm - Release 4.2.1
(Massachusetts Institute of Technology. Sea Grant College Program, 2011-08)This document describes the IvP Helm - an Open Source behavior-based autonomy application for unmanned vehicles. IvP is short for interval programming - a technique for representing and solving multi-objective optimizations ... -
Parametric Optimization of S-type Cables
(Massachusetts Institute of Technology. Sea Grant College Program, 2014)We formulated an S-curve parameterization for re-routing a cable path for a given offset displacement. In our approach we assume the cable path to follow a tangent hyperbolic curve. In our formulation, after taking the ... -
Planning for the Future: Climate Adaptation in Hazard Mitigation Plans and Comprehensive Water Resource Management Plans
(Massachusetts Institute of Technology. Sea Grant College Program, 2012-03)This project investigated whether hazard mitigation plans (HMPs) and comprehensive water resource management plans (CWRMPs) completed by cities and towns in Massachusetts account for the long term effects of climate change. ... -
Reconfigurable Modem for Ocean Observatories
(Massachusetts Institute of Technology. Sea Grant College Program, 2005)Acoustic communications is an important part of underwater research. The mass amount of data collected by sub-sea devices can be made available to the scientific community in real-time with the utilization of acoustic modems. -
Scalability of Non-intrusive Load Monitoring for Shipboard Applications
(Massachusetts Institute of Technology. Sea Grant College Program, 2009)The non-intrusive load monitor has been demonstrated as an effective tool for evaluating and monitoring shipboard electro-mechanical systems through analysis of electrical power data. A key advantage of the non-intrusive ... -
Science and Technology Challenges and Potential Game-changing Opportunities
(Massachusetts Institute of Technology. Sea Grant College Program, 2011)The future of naval engineering in the 21st century will be shaped by novel and emerging technologies that will not only provide unprecedented capabilities but also require radical rethinking of naval ship and vehicle ... -
Seeking Didemnum on Georges Bank
(Massachusetts Institute of Technology. Sea Grant College Program, 2009)Preliminary report of the MITSG Autonomous Underwater Vehicle cruise to Georges Bank on July 8-21 of 2008. The purpose of this cruise was to test the efficacy of an acoustic sensor in identifying the distribution of an ... -
System-level Modeling of Cooling Networks in All Electric Ships
(Massachusetts Institute of Technology. Sea Grant College Program, 2014)A Thermal management simulation tool is required to rapidly and accurately evaluates and mitigates the adverse effects of increased heat loads in the initial stages of design in all electric ships. By reducing the dimension ... -
Temperature and Salinity Tolerances Predict Range Expansion for Two Invasive Marine Invertebrates
(Massachusetts Institute of Technology. Sea Grant College Program, 2009-05)Aquatic invasions of nonindigenous species have increased dramatically due to the globalization of consumer goods, which relies on shipping to connect once isolated marine environments (Bright 1999, Barbier and Shogren ... -
Touch-at-a-Distance: Pressure Microsensor Arrays for AUV Navigation
(Massachusetts Institute of Technology. Sea Grant College Program, 2009)Inspired by the lateral-line organ in fish, the ultimate objective of this project continues to be the development of a passive system for AUVs that can detect, classify and locate underwater objects. The lateral line ... -
Towards amphibious robots: Asymmetric flapping foil motion underwater produces large thrust efficiently
(Massachusetts Institute of Technology. Sea Grant College Program, 2009)The development of amphibious robots requires actuation that enables them to crawl as well as swim; sea turtles are excellent examples of amphibious functionality, that can serve as the biomimetic model for the development ...
